Hi and thanks for reading (any help greatly aprpeciated!!!)

Randomly several orders are not showing in the zencart BUT payment is going through and being taken by sagepay. The only difference i can see is the return URL

the successful ones display:

WEBADDRESS/index.php?main_page=checkout_processX

while the unsuccesful ones show:

WEBADDRESS/index.php?main_page=checkout_process&zenid=XXXXXXXXXXXXXXXXXXXXXXXXXXX

(X is removed zen ID number as unsire of security issues of showing that number)

The following is the Site / PHP Info

Zen Cart 1.3.8a
Database Patch Level: 1.3.8
v1.3.8 [2008-12-18 14:31:57] (Fresh Installation)
v1.3.8 [2008-12-18 14:31:57] (Fresh Installation)

HTTP Server: Apache/2
PHP Version: 5.2.17 (Zend: 2.2.0)
PHP Memory Limit: 128M
PHP Safe Mode: Off
PHP File Uploads: On Max Size: 2M POST Max Size: 8M
Database Data Size: 1,595 kB Database Index Size: 808 kB

I have contacted SAGE who say this is down to teh site, I have checked with Hosting company to ensure no server issues so it must be down to something within zen....

any help, advice, or medicated drugs to numb me would be greatly appreciated!!!

Matt